TULI
2 Points
Match each galaxy to its description.
irregular galaxy
the Milky Way is one
spiral galaxy
contains mostly older
stars
elliptical galaxy
contains mostly young
stars

Is this a scientific model? use complete sentences to explain why or why not. a graphic organizer showing the water cycle i need : ( asap i go it never mind

What are the percent by mass of copper in penny lab

In the 1800s, one of the statements in john dalton's atomic theory was that atoms are indivisible. later experimental evidence led to the discovery of subatomic particles such as neutrons, electrons, and protons. what happened to the indivisible atom part of dalton's atomic theory, and why?